31644123

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 51508224

約数和(自身を除く): 19864101

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 647, 959, 1941, 2329, 2877, 4529, 6987, 10999, 13587, 16303, 32997, 48909, 76993, 88639, 230979, 265917, 620473, 1506863, 1861419, 4520589, 10548041, 31644123]

約数ペア:

[(1, 31644123), (3, 10548041), (7, 4520589), (17, 1861419), (21, 1506863), (51, 620473), (119, 265917), (137, 230979), (357, 88639), (411, 76993), (647, 48909), (959, 32997), (1941, 16303), (2329, 13587), (2877, 10999), (4529, 6987)]